lifespans
英[]
美[]
基本释义
- n.
- （人或动物的）寿命( lifespan的名词复数 ); 存在期; 使用期; 有效期
实用例句
Lifespans ranged from three years for the mice, to 23 or more for common backyard squirrels.
动物寿命从3年(老鼠)到23年甚至更多(普通的庭院松鼠).
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They've been called Shorts , due to their small stature but also their brief lifespans.
根据他们矮小的身材和短暂的生命周期,他们被称为“矮人”.
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Healthier eating, longer lifespans and higher disposable incomes have helped to hold back the years.
虽然健康的饮食 、 命的延长和较高的收入对于人们延缓衰老起到了一定的作用.
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真题例句
Current life structures, career paths, educational choices, and social norms are out of tune with the emerging reality of longer lifespans.
2019年6月四级真题（第一套）阅读 Section B